哪里错了

#include<bits/stdc++.h>
using namespace std;
double ans,m,s1,s2,s3;
int main(){
    cin>>s1>>s2>>s3;
    m=sqrt(s1*s2*s3);
    ans=4*(m*1.0/s1+m*1.0/s2+m*1.0/s3);
    printf("%g",ans);
}